I'm fairly certain that they also make a 105 version. At least the did the last time I had a
"Quality" wholesaler catalog.
"Jeff Wills" <
[email protected]> wrote in message
news:[email protected]...
> "Bryan Ball" <
[email protected]> wrote in message
news:<
[email protected]>...
> > A Shimano 105 dual pivot with the longer arms should work.
> >
> >
>
> *Just* to be finicky: there's no "105" long-reach dual-pivot caliper now available. Shimano makes
> two long-reach calipers: the A550 grade and the R600 grade. These correspond to one step below
> "105" grade (old RX-100) and to "Ultegra" grade. Here's some additional references:
>
http://www.sheldonbrown.com/harris/brakes.html#calipers
>
http://harriscyclery.net/site/page.cfm?PageID=49&SKU=BR0610
>
http://harriscyclery.net/site/page.cfm?PageID=49&SKU=BR0611
>
> I'm not sure any of these would allow ISO 559 wheels and ISO 571 wheels on the same frame and
> brake caliper. The brake mounting would have to be awfully exact to allow this to happen, and the
> brake shoes would need to be at the ends of the adjustment slots.
>
> There's another option- apparently the Kogswell folks have found a dual-pivot brake with more
> adjustment than the others. It's tough to find, so here's a quote from
>
http://kogswell.com/order2.html :
>
> "Derailleur Frameset: Oops, I did it again. When I spec'd these frames, I did my best to set them
> up so that they could be used with the Tektro and Shimano brakes that have 47 to 57 millimeters of
> reach. This is a popular setup right now because it affords lots of tire and fender clearance. And
> the builder tried to get the frames built right, but in the end they set them up so that the brake
> pads reach the very top of a 700C rim. That's just too close for my comfort. But, luckily, the new
> longer reach brakes have come to the rescue. They fit just fine and allow for lots of adjustment."
>
> Happy braking.
>
> Jeff
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